<?php
/**
 * This file is part of DomAr.
 * 
 * DomAr is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * DomAr is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with DomAr.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * @link http://inditel.ee/
 * @copyright 2007-2009 Inditel Meedia OÜ
 * @author Oliver Leisalu <oliver@inditel.ee>
 */


/**
* @package DomAr
* @subpackage Property
*/
abstract class DomArValueSet {
	
	abstract public function set( $key, $value );

}

/**
* @package DomAr
* @subpackage Property
*/
class DomArInsertValueSet extends DomArValueSet {
	
	private $columns;
	
	private $values;
	
	public function set( $key, $value ) {
		$this->columns .= ',`'.$key.'`';
		$this->values .= ','.$value;
	}
	
	public function getColumns() {
		return $this->columns;
	}
	
	public function getValues() {
		return $this->values;
	}
	
}

/**
* @package DomAr
* @subpackage Property
*/
class DomArUpdateValueSet extends DomArValueSet {
	
	private $updates;
	
	public function set( $key, $value ) {
		$this->updates .= ',`'.$key.'` = '.$value;
	}
	
	public function isEmpty() {
		return $this->updates == '';
	}
	
	public function getUpdates() {
		return substr($this->updates, 1);
	}
	
}
?>